Brestine inc., a european multinational corporation, wants to expand its customer base and decides to target the asian market. as most asian countries have comparatively low per capita income, the company introduces cheaper versions of its products that would appeal to the target market. in this scenario, brestine inc. is most likely facing the barrier of . sociocultural differencesb. political differencesc. legal differencesd. economic differences

Sales at a fast-food restaurant average $6,000 per day. the restaurant decided to introduce an advertising campaign to increase daily sales. to determine the effectiveness of the advertising campaign, a sample of 49 days of sales were taken. they found that the average daily sales were $6,300 per day. from past history, the restaurant knew that its population standard deviation is about $1,000. if the level of significance is 0.01, have sales increased as a result of the advertising campaign? multiple choicea)fail to reject the null hypothesis.b)reject the null hypothesis and conclude the mean is higher than $6,000 per day.c)reject the null hypothesis and conclude the mean is lower than $6,000 per day.d)reject the null hypothesis and conclude that the mean is equal to $6,000 per day.expert answer